#5F81EB#5F81EB

#5F81EB is a light, vivid blue. Relative luminance 0.241; OKLCH L 63.0% C 0.164 H 268.1°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5F81EB
RGB	rgb(95, 129, 235)
HSL	hsl(225, 78%, 65%)
HSV	hsv(225, 60%, 92%)
CMYK	cmyk(59.6%, 45.1%, 0%, 7.8%)
CIE-LAB	lab(56.22, 19.66, -57.29)
CIE-LCH	lch(56.22, 60.57, 288.94°)
OKLab	oklab(62.96% -0.0054 -0.1635)
OKLCH	oklch(62.96% 0.164 268.1)
XYZ	xyz(27.5599, 24.1293, 81.7862)
Luminance	0.2413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F81EB #EBC95F

analogous

#5FC7EB #5F81EB #835FEB

triadic

#5F81EB #EB5F81 #81EB5F

tetradic

#5F81EB #EB5FC7 #EBC95F #5FEB83

square

#5F81EB #EB5FC7 #EBC95F #5FEB83

split-complementary

#5F81EB #EB835F #C7EB5F

monochromatic

#173EB9 #2956E4 #5F81EB #95ACF2 #CCD7F9

Accessibility & contrast

On white

3.60

#5F81EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#5F81EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F81EB

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F81EB	#FFFFFF	#000000	##000000
##5F81EB	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8DEF

Deuteranopia (green-blind)

#3981E9

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5f81eb;
/* rgb */ color: rgb(95, 129, 235);
/* oklch */ color: oklch(63.0% 0.164 268.1);

Tailwind

colors: {
  custom: {
    50: '#98a5f2',
    500: '#5f81eb',
    950: '#000000',
  },
}

SCSS

$custom: #5f81eb;
$custom-light: #98a5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5f81eb",
  "rgb": {
    "r": 95,
    "g": 129,
    "b": 235
  },
  "hsl": {
    "h": 225.429,
    "s": 77.778,
    "l": 64.706
  },
  "oklch": {
    "l": 0.6296,
    "c": 0.16358,
    "h": 268.1
  },
  "luminance": 0.24132
}

Semantic roles & 50–950 ramp

primary

#5F81EB

secondary

#EBDFBB

accent

#A80BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5F81EB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →